package com.webserver.core;

/**
 * @Author xiyi
 * @date 2021/9/6 9:42
 */

import com.webserver.http.HttpRequest;
import com.webserver.http.HttpResponse;

import java.io.*;
import java.net.Socket;
import java.util.HashMap;
import java.util.Map;

/**
 * 处理与指定客户端的HTTP交互
 * HTTP交互采取一问一答,因此这里分为三步完成一次交互过程:
 * 1:解析请求
 * 2:处理请求
 * 3:响应客户端
 */
public class ClientHandler implements Runnable
{
    private Socket socket;

    public ClientHandler(Socket socket)
    {
        this.socket = socket;
    }

    public void run()
    {
        try
        {
            //1解析请求
            HttpRequest request = new HttpRequest(socket);
            HttpResponse response = new HttpResponse(socket);
            //2处理请求
            DispatcherServlet servlet = new DispatcherServlet();
            servlet.service(request, response);

            //3发送响应
            //将webapps/myweb/index.html回复给浏览器
            /*
                发送一个标准的响应头，大致如下：
                HTTP/1.1 200 OK(CRLF)
                Content-Type：text/html(CRLF)
                Content-Length: 2546(CRLF)(CRLF)
                100101010110.....
             */

            response.flush();


        }
        catch (IOException e)
        {
            e.printStackTrace();
        }
        finally
        {
            try
            {//交互完毕后与客户端断开连接
                socket.close();
            }
            catch (IOException e)
            {
                e.printStackTrace();
            }
        }
    }


}
